プレイヤーが近づいたら会話するキャラクター※編集中

TextController.cs

using UnityEngine;
using System.Collections;
using UnityEngine.UI;

public class TextController : MonoBehaviour
{
    [SerializeField]
    Text uiText;
    [SerializeField]
    [Range(0.001f, 0.3f)]
    float intervalForCharacterDisplay = 0.05f;

    private string currentText = string.Empty;
    private float timeUntilDisplay = 0;
    private float timeElapsed = 1;
    private int currentLine = 0;
    private int lastUpdateCharacter = -1;
    public StartConversation Contact;
    public GameObject Player;


    private string[] scenarios = {
        "あいうえお", //ここにはセリフを入れる。””で囲まれている部分が一回で表示されるセリフ。
        "かきくけこ",
        "さしすせそ",
        "たちつてと"
        };


    // 文字の表示が完了しているかどうか
    public bool IsCompleteDisplayText
    {
        get { return Time.time > timeElapsed + timeUntilDisplay; }
    }

    void Start()
    {

    }

    void Update()
    {

        if (Contact.contact == false)
        { currentLine = 0; }
        // 文字の表示が完了してるならクリック時に次の行を表示する
        if (IsCompleteDisplayText)
        {
            if (currentLine < scenarios.Length && Input.GetMouseButtonDown(0))
            {
                SetNextLine();
            }

        }
        else
        {
            // 完了してないなら文字をすべて表示する
            if (Input.GetMouseButtonDown(0))
            {
                timeUntilDisplay = 0;
            }
        }

        int displayCharacterCount = (int)(Mathf.Clamp01((Time.time - timeElapsed) / timeUntilDisplay) * currentText.Length);
        if (displayCharacterCount != lastUpdateCharacter)
        {
            uiText.text = currentText.Substring(0, displayCharacterCount);
            lastUpdateCharacter = displayCharacterCount;
        }
    }


   public  void SetNextLine()
    {
        currentText = scenarios[currentLine];
        timeUntilDisplay = currentText.Length * intervalForCharacterDisplay;
        timeElapsed = Time.time;
        currentLine++;
        lastUpdateCharacter = -1;
    }
}

StartConversation.cs

using UnityEngine;
using System.Collections;
using UnityEngine.UI;
using UnityStandardAssets.Characters.ThirdPerson;

public class StartConversation : MonoBehaviour
{
    public GameObject TextController;
    public TextController textcontroller;
    public bool contact;
    public GameObject canvas;
    void Start()
    {

    }

    // Update is called once per frame
    void Update()
    {

    }


    void OnTriggerEnter(Collider collision)
    {
        if (collision.gameObject.tag == "Ball2")
        {
            contact = true;
            textcontroller.SetNextLine();
            canvas.SetActive(true);
                    }
    }

    void OnTriggerExit(Collider collision){
        contact = false;
        canvas.SetActive(false);
            }      
}